This is a succinct account of my experience with the cheap electronic power supply module from China, “DC-DC Module 5-A/7-W (ERPC0575DC) XL4015.” I have used quite a few over the years and have to say ...

A compact digital power supply module should be a piece of cake for most electronics hobbyists. After some research, I found a relatively low-cost adjustable DC/DC buck power supply module with ...

Have you got a dead power supply? The problem could be just a 50-cent fuse. Find out how to determine if a fuse is faulty, as well as how to replace it. So you’ve got a dead power supply and want to ...

You may have seen the Ruideng range of programmable power supply modules from China: small and relatively inexpensive switch-mode buck converters, with microprocessor control and a front panel ...

Power system users don't always have a clear idea of power system configurations that provide fault tolerance. As a result, users may specify a configuration beyond what's needed or intended, which ...